From Vector (e.g. an Adobe Illustrator image) to Font

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From Vector (e.g. an Adobe Illustrator image) to Font

Postby Erwin Denissen » Thu Oct 08, 2009 1:01 pm

This article explains how to successfully import vector based images (e.g. EPS AI, PDF,) into FontCreator. If you are looking for tips about importing bitmap based images, then read this tutorial:
Import Images the Right Way (Size Does Matter!)

In vector based image editing software you can use all kinds of objects to create your images. Such objects can be paths, lines, shapes, text, etc. That's not it, as you can also apply specific strokes to each of these objects. These strokes control thickness, how segments join, and the appearance of both ends of an open path. There are numerous other capabilities like fill objects, gradients, etc.

FontCreator only extracts the bare paths, thus completely ignores the strokes, fills, etc. And since glyphs can only consist of closed contours, all open paths are automatically closed.

We could enhance the vector import to support strokes and even more, but this is very complex so we carefully have to decide which features to add in future versions of FontCreator. Fortunately most common vector graphics editors can convert strokes to paths/outlines that can be safely imported into FontCreator.

Here is a logo created with Adobe Illustrator. It contains four lines and a rectangle with two rounded corners and a gap at the lower right. All of these objects contain strokes to give them thickness.
logowithstrokes.png
logowithstrokes.png (4.54 KiB) Viewed 9097 times


When imported into FontCreator, the result is not as intended as the strokes are not imported, thus the thickness of the objects is stripped off. The lines are all discarded as contours with only two points are useless. The rectangle is imported but the gap is no longer there.
importedlogowithstrokes.png
importedlogowithstrokes.png (2.11 KiB) Viewed 9097 times


One easy step ensures our vector image can be safely imported into FontCreator. In Adobe Illustrator, select all objects, then from the main menu select Object -> Path -> Outline Stroke. The result is shown here:
logogood.png
logogood.png (4 KiB) Viewed 9098 times


When we import this version of the vector image the result is a perfect fit!
importedlogogood.png
importedlogogood.png (3.59 KiB) Viewed 9078 times


5 contours with 44 points is the final result.

Note: if after applying Outline Stroke in Illustrator the source image or imported image lacks quality or areas appear distorted, it might help if you resize the original image within Illustrator prior to applying Outline Stroke to ensure no details get lost/altered.
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Bhikkhu Pesala
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Re: From Vector (e.g. an Adobe Illustrator image) to Font

Postby Bhikkhu Pesala » Thu Nov 05, 2009 4:33 pm

Multiple selected images can be dragged from Windows Explorer and dropped into the FontCreator Overview. They will be imported in sequence, following the glyph they are dropped onto.

The screen shot illustrates how to drag and drop a full alphabet of images into FontCreator. PDF files will import as vectors. The import process will be many times faster than using bitmaps, and the resulting glyphs will generally have fewer nodes. The alphabet of 26 drop capitals took about 3 seconds to import.

Drag and Drop PDF.png
Drag and Drop PDF.png (23.08 KiB) Viewed 8911 times
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Re: From Vector (e.g. an Adobe Illustrator image) to Font

Postby algrass » Fri Jul 20, 2012 7:51 am

Bhikkhu showed this file:
The alphabet of 26 drop capitals took about 3 seconds to import.

Where is the source of this pdf file? I would be interested in viewing it to compare with some initials letters I have made. Is it available?

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Re: From Vector (e.g. an Adobe Illustrator image) to Font

Postby Bhikkhu Pesala » Fri Jul 20, 2012 8:56 am

I don't have the PDF files now. I am not even sure how I made them. Probably I opened the WMF in PagePlus and published to PDF from there.
Attachments
M.pdf
(9.95 KiB) Downloaded 206 times
A.pdf
(6.61 KiB) Downloaded 221 times
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Erwin Denissen
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Re: From Vector (e.g. an Adobe Illustrator image) to Font

Postby Erwin Denissen » Fri Jul 20, 2012 11:36 am

The PDF files contain outlines that look like smooth curves, but in fact the are made of short connected lines. So in my opinion this is not the best example, but it does convert correct and fast.

It would be better to have a PDF with true curves, to show how those are converted. I need to look for the original PDF used in my first post...
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Re: From Vector (e.g. an Adobe Illustrator image) to Font

Postby Erwin Denissen » Fri Jul 20, 2012 1:07 pm

Here is the original Adobe Illustrator file I used. You can open it in Adobe Reader (drag-and-drop), and you can of course import it into FontCreator.

logogood.ai
(64.77 KiB) Downloaded 231 times
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